1098173 has 8 divisors (see below), whose sum is σ = 1130976. Its totient is φ = 1066000.

The previous prime is 1098151. The next prime is 1098187. The reversal of 1098173 is 3718901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1098173 - 2⁶ = 1098109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8318 + ... + 8448.

It is an arithmetic number, because the mean of its divisors is an integer number (141372).

2^1098173 is an apocalyptic number.

It is an amenable number.

1098173 is a deficient number, since it is larger than the sum of its proper divisors (32803).

1098173 is a wasteful number, since it uses less digits than its factorization.

1098173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 1098173 is about 1047.9374981362. The cubic root of 1098173 is about 103.1708290947.

The spelling of 1098173 in words is "one million, ninety-eight thousand, one hundred seventy-three".